SOCKET SCREWS
ISO 10642 Countersunk Socket Screws
Countersunk socket screws for flush metal assemblies, with head seating and reduced loadability considered during selection.

Product Overview
The countersunk head seats within a prepared recess to produce a flush fastening surface on metal components. An internal hexagon drive supports assembly where access around the head is limited. Buyers should define the countersink geometry, mating thread and installation clearance together, since head fit is as important as thread fit for covers, fixtures and machinery components.
For an accurate quotation, specify the thread size, nominal length, material requirement and surface finish, together with the intended mating component. Dimensions, inspection requirements and the exact material and finish combination must be agreed before order confirmation.
Key Features
- Flush seating in a prepared countersink
- Internal hexagon drive
- Reduced-loadability head design
Specifications
- Standard
- ISO 10642:2026
- Grade
- Subject to specification/size
- Diameter
- Specify nominal diameter in RFQ
- Length
- Specify nominal length in RFQ
- Head type
- Countersunk
- Drive type
- Hexagon socket
- Thread type
- Metric machine thread; pitch to be specified
Materials & Finishes
- Material
- Steel; exact material and condition subject to confirmation
- Finish
- Subject to material, service conditions and specification
Typical Applications
- Machine covers
- Metal fixtures
- Equipment panels
Size Range / Technical Notes
- Size Range
- Specify metric thread diameter, pitch, overall screw length and countersink geometry. Exact size and material combinations require confirmation.
- Technical Notes
- ISO 10642:2026 is the current published edition identified in the ISO catalogue. DIN 7991 is a legacy reference, not a declaration of identical dimensions. Check head dimensions, marking and reduced loadability against the ordered edition; do not apply socket-cap-screw load assumptions.
Packaging & Customization
- Packing
- Packing method and pack quantity to be agreed
- MOQ
- Subject to specification/size and order quantity
- Customization Notes
- Submit drawings, finish requirements and packaging or marking requests for feasibility review. Custom production and OEM support require separate confirmation.
